Nouveau - Feb 2014 - [PATCH] nv30,nvc0: only claim a single viewport

It should be possible to make this be 16 on nvc0.

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---

Not touching nv50 since I have a patch that actually impelents support for
multiple viewports there.

 src/gallium/drivers/nouveau/nv30/nv30_screen.c | 2 ++
 src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index 8eee06b..c027a5f 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -84,6 +84,8 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum
pipe_cap param)
       return 0;
    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
       return 16;
+   case PIPE_CAP_MAX_VIEWPORTS:
+      return 1;
    /* nv4x capabilities */
    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
    case PIPE_CAP_NPOT_TEXTURES:
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index f84c41b..28d9be2 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -175,6 +175,8 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum
pipe_cap param)
       return PIPE_ENDIAN_LITTLE;
    case PIPE_CAP_TGSI_VS_LAYER:
       return 0;
+   case PIPE_CAP_MAX_VIEWPORTS:
+      return 1;
    default:
       NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
       return 0;
-- 
1.8.3.2

On 11/02/14 05:42, Ilia Mirkin wrote:
> It should be possible to make this be 16 on nvc0.
> 
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Reviewed-by: Emil Velikov <emil.l.velikov at gmail.com>

I have some other patches in the queue and I'll push this shortly

-Emil
> ---
> 
> Not touching nv50 since I have a patch that actually impelents support for
> multiple viewports there.
> 
>  src/gallium/drivers/nouveau/nv30/nv30_screen.c | 2 ++
>  src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 2 ++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
> index 8eee06b..c027a5f 100644
> --- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
> +++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
> @@ -84,6 +84,8 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum
pipe_cap param)
>        return 0;
>     case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
>        return 16;
> +   case PIPE_CAP_MAX_VIEWPORTS:
> +      return 1;
>     /* nv4x capabilities */
>     case PIPE_CAP_BLEND_EQUATION_SEPARATE:
>     case PIPE_CAP_NPOT_TEXTURES:
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> index f84c41b..28d9be2 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> @@ -175,6 +175,8 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum
pipe_cap param)
>        return PIPE_ENDIAN_LITTLE;
>     case PIPE_CAP_TGSI_VS_LAYER:
>        return 0;
> +   case PIPE_CAP_MAX_VIEWPORTS:
> +      return 1;
>     default:
>        NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
>        return 0;
>